Year	Percent Change From Preceding Period
2004-01-01	3.76622689773774000
2005-01-01	4.37005187983064000
2006-01-01	5.41380714491444000
2007-01-01	3.45195248952621000
2008-01-01	4.86171299507750000
2009-01-01	3.81274693652153000
2010-01-01	5.12416330338039000
2011-01-01	4.03260249625297000
2012-01-01	4.44670822214544000
2013-01-01	5.94449774783023000
2014-01-01	4.49425486484039000
2015-01-01	-3.95618479079607000
2016-01-01	-1.04197633017936000
2017-01-01	0.00148643070455383
2018-01-01	0.14884410948346200
2019-01-01	0.41893701270887200